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IEEE 802.11 Regulatory SC DSRC Coexistence Tiger Team Future Plans

IEEE 802.11 Regulatory SC DSRC Coexistence Tiger Team Future Plans. Date: 2014-09-05. Authors:. Abstract. This presentation is a proposed plan to wrap up the activities of the DSRC Coexistence Tiger Team. Topics. Background.

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IEEE 802.11 Regulatory SC DSRC Coexistence Tiger Team Future Plans

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  1. IEEE 802.11 Regulatory SCDSRC Coexistence Tiger TeamFuture Plans Date: 2014-09-05 Authors: Jim Lansford, CSR Technology

  2. Abstract This presentation is a proposed plan to wrap up the activities of the DSRC Coexistence Tiger Team Jim Lansford, CSR Technology

  3. Topics Jim Lansford, CSR Technology

  4. Background • FCC allocated 75MHz of spectrum in the 5.9GHz band (5850-5925MHz) for Dedicated Short Range Communications (DSRC) in October 1999 •  In FCC NPRM 13-22 (13-49), the FCC requested comments on a potential sharing of the DSRC band, to understand if a feasible sharing solution that protects DSRC users could be developed. • DSRC would remain as a primary user of the band • The new band would be designated U-NII-4 • 802.11ac could be modified to operate in this new UNII-4 band if approved by the FCC • FCC did not specify the framework or etiquette by which band sharing would occur Jim Lansford, CSR Technology

  5. Goals and Work to date Goals of the group Create a document that describes and quantifies possible coexistence mechanisms between DSRC and extensions of the 802.11 base standard in the proposed UNII-4 band, if the FCC allows such band sharing in a future R&O. Work to Date • 24 conference calls (participants from 802.11, DSRC, USDoT, FCC) • Presentations on use cases • Presentations on interference • Letter to the FCC (March 2014) • Presentations on CCA • Presentations on European activities • Presentations on USDoT activities • Presentations on proposed coexistence techniques • Presentations on DSRC response to proposals Jim Lansford, CSR Technology

  6. Status Two proposals have been made: • Use of 10MHz CCA to detect and avoid DSRC in 5.9GHz https://mentor.ieee.org/802.11/dcn/13/11-13-0994-00-0reg-proposal-for-u-nii-4-devices.docx https://mentor.ieee.org/802.11/dcn/14/11-14-1044-00-0reg-its-politeness-measures.docx https://mentor.ieee.org/802.11/dcn/14/11-14-0532-00-0reg-cca-issues-for-dsrc-coexistence.ppt 2) Rechannelizationof the DSRC channels to more closely align with 802.11ac https://mentor.ieee.org/802.11/dcn/14/11-14-0819-00-0reg-technical-discussion-on-re-channelization-proposal-for-dsrc-band-coexistence.pptx https://mentor.ieee.org/802.11/dcn/13/11-13-1449-02-0reg-proposal-for-dsrc-band-coexistence.pptx 3) Response to proposals by DSRC community (in process) https://mentor.ieee.org/802.11/dcn/14/11-14-1101-01-0reg-a-response-to-the-re-channelization-proposal.pptx There appears to be little room for compromise between these two proposals. The DSRC community has rejected #2 Jim Lansford, CSR Technology

  7. Going Forward • There does not appear to be a consensus position that could gain 75% approval • Next Steps: • Complete DSRC presentation on critique of two proposals (14/1101r1) • Generate and attempt to get consensus on final report outline • Background • Proposed approaches • Pros and cons of each • Summary • Write final report and submit to REG SC for approval • Best estimate for completion: January 2015 meeting in Atlanta • This could slip to March if progress on writing the report is slow because of the holidays Jim Lansford, CSR Technology

  8. References • FCC NPRM 13-22 (changes to 5GHz band rules, including proposed UNII-4 band): • http://transition.fcc.gov/Daily_Releases/Daily_Business/2013/db0220/FCC-13-22A1.pdf • FCC 13-22 Comments • https://mentor.ieee.org/802.11/dcn/13/11-13-0444-01-0reg-fcc-13-49-comment.docx • FCC 13-22 Reply Comment framework document • https://mentor.ieee.org/802.11/dcn/13/11-13-0661-00-0reg-fcc-13-49-reply-comment-framework.doc • FCC 13-22 Comments survey • https://mentor.ieee.org/802.11/dcn/13/11-13-0679-00-0reg-fcc-13-49-comment-survey.docx • FCC 13-22 Reply Comments • https://mentor.ieee.org/802.18/dcn/13/18-13-0087-04-0000-draft-reply-comments-of-ieee-802-re-5-ghz-nprm-fcc-et-13-49.docx • Letter to FCC OET from IEEE 802 regarding DSRC Coexistence Tiger Team activities • https://mentor.ieee.org/802.18/dcn/14/18-14-0007-02-0000-dsrc-coexistence-tt-status-letter-to-oet.docx • DSRC Summary • http://secs.oakland.edu/~gpcorser/vanet-kenny-DSRC.pdf Jim Lansford, CSR Technology

  9. References (2/2) • IEEE 802.11 submissions on DSRC (since 802.11p was ratified) • https://mentor.ieee.org/802.11/dcn/13/11-13-0552-00-0wng-802-11p-dsrc-and-802-11ac-coexistence.ppt • https://mentor.ieee.org/802.11/dcn/13/11-13-0541-01-0wng-dsrc-applications-tutorial.pptx • https://mentor.ieee.org/802.11/dcn/13/11-13-0543-01-0wng-dsrc-support-information.pptx • https://mentor.ieee.org/802.11/dcn/13/11-13-0994-00-0reg-proposal-for-u-nii-4-devices.docx • https://mentor.ieee.org/802.11/dcn/13/11-13-1276-00-0reg-proposal-for-sharing-in-unii-4-band.pptx • https://mentor.ieee.org/802.11/dcn/13/11-13-1309-00-0reg-harmful-interference-to-dsrc-systems.pptx • https://mentor.ieee.org/802.11/dcn/13/11-13-1360-00-0reg-dsrc-per-versus-rss-profiles.pptx • https://mentor.ieee.org/802.11/dcn/13/11-13-1449-02-0reg-proposal-for-dsrc-band-coexistence.pptx • https://mentor.ieee.org/802.11/dcn/14/11-14-0225-00-0reg-use-cases-for-dsrc-coexistence.ppt • https://mentor.ieee.org/802.11/dcn/14/11-14-0259-00-0reg-v2v-radio-channel-models.ppt • https://mentor.ieee.org/802.11/dcn/14/11-14-0532-00-0reg-cca-issues-for-dsrc-coexistence.ppt • https://mentor.ieee.org/802.11/dcn/14/11-14-0550-00-0reg-world-spectrum-sharing.ppt • https://mentor.ieee.org/802.11/dcn/14/11-14-0728-00-0reg-communication-and-data-movement-in-connected-vehicles.ppt • https://mentor.ieee.org/802.11/dcn/14/11-14-0819-00-0reg-technical-discussion-on-re-channelization-proposal-for-dsrc-band-coexistence.pptx • https://mentor.ieee.org/802.11/dcn/14/11-14-1044-00-0reg-its-politeness-measures.docx • https://mentor.ieee.org/802.11/dcn/14/11-14-1101-01-0reg-a-response-to-the-re-channelization-proposal.pptx Jim Lansford, CSR Technology

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